CN208880552U - A kind of thin-walled workpiece drawing clamping device for exempting from punching - Google Patents
A kind of thin-walled workpiece drawing clamping device for exempting from punching Download PDFInfo
- Publication number
- CN208880552U CN208880552U CN201821491016.7U CN201821491016U CN208880552U CN 208880552 U CN208880552 U CN 208880552U CN 201821491016 U CN201821491016 U CN 201821491016U CN 208880552 U CN208880552 U CN 208880552U
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- China
- Prior art keywords
- thin
- walled workpiece
- pressing plate
- exempting
- groove
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- 238000004080 punching Methods 0.000 title claims abstract description 23
- 238000003825 pressing Methods 0.000 claims abstract description 53
- 238000012360 testing method Methods 0.000 claims abstract description 9
- 238000010276 construction Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 14
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000013097 stability assessment Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of thin-walled workpiece drawing clamping devices for exempting from punching, including symmetrically arranged two pressing plates, one end setting of pressing plate is fluted, end of the groove for thin-walled workpiece is protruded into, groove and thin-walled workpiece are interference fitted, through-hole is provided on the pressing plate of groove periphery, through-hole passes through for puller bolt, puller bolt is for holding out against thin-walled workpiece across pressing plate, the other end of pressing plate is connected with handle by U-shaped folder plate, and two handles are used to whole device being fixed on testing machine；The utility model is fixed thin-walled workpiece using pressing plate and puller bolt, it is not necessary that thin-walled workpiece is punched and can be measured, avoid punching bring measurement error to thin-walled workpiece, fixture clamping range is big, the range of measurement is increased, the requirement of measurement is reduced.
Description
[technical field]
The utility model belongs to technical field of experiment equipment more particularly to a kind of thin-walled workpiece stretching clamp for exempting from punching
Device.
[background technique]
Tensile strength (Rm) refers to that material bears maximum stress value before breaking.After steel are surrendered to a certain extent, due to
Internal grain rearranges, and resistance capacity to deformation improves again, can only be with answering although deformation have developed rapidly at this time
The raising of power and improve, until stress reach maximum value.Hereafter, the ability of steel resistance to deformation is substantially reduced, and in most weakness
Biggish plastic deformation occurs, test specimen section reduces rapidly herein, necking phenomenon occurs, until rupture failure.Steel are broken
Maximum stress value before splitting is known as strength degree or tensile strength.
Light sheet tensile strength is the important parameter for influencing plate stability, and tensile strength is on plates of automobile and various
It is all the important indicator of Stability Assessment on sheet metal shell.It is limited to the condition of test method and testing equipment, currently tests light sheet
Tensile strength can only take it is a bit of, be unable to test, causing the accuracy of measurement low for large area, and do not have at present yet
Suitable appliance arrangement measures.
[utility model content]
The purpose of the utility model is to provide a kind of thin-walled workpiece drawing clamping devices for exempting from punching, to solve existing folder
Has the problem of small gripping width and unbalance stress.
The utility model uses following technical scheme: a kind of thin-walled workpiece drawing clamping device for exempting from punching, including right
Claiming two pressing plates of setting, the shape of pressing plate is triangle, and two pressing plates are for clamping and fixing thin-walled workpiece, the one of pressing plate
End setting is fluted, and end of the groove for thin-walled workpiece is protruded into, and groove and thin-walled workpiece are interference fitted, groove periphery
Through-hole is provided on pressing plate, through-hole passes through for puller bolt, and puller bolt is pressed for holding out against thin-walled workpiece across pressing plate
The other end of plate is located in the U-type groove of U-shaped folder plate, and U-shaped folder plate is fixedly connected on handle, and two handles are used for whole device
It is fixed on testing machine.
Further, be provided through screw at left and right sides of U-shaped folder plate, screw after U-shaped folder plate and pressing plate with nut
It is threadedly coupled.
Further, the two sides of groove are provided with backing plate, and backing plate is also used to increase thin-walled for fastening thin-walled workpiece
The forced area of structural member.
Further, groove is located at the bottom side of triangle.
Further, the both ends of triangle bottom side are provided with fastening bolt, and fastening bolt is used to tense the two sides of groove.
Further, a minimum of 2 of puller bolt.
Further, puller bolt is uniformly arranged on pressing plate.
Further, the width of thin-walled workpiece is 5-250mm.
Further, the base side lengths of pressing plate are up to 300mm, and the length of groove is up to 250mm, and the length of groove is small
In the base side lengths of pressing plate.
Further, puller bolt is arranged to two rows.
The beneficial effects of the utility model are: the utility model consolidates thin-walled workpiece using pressing plate and puller bolt
It is fixed, it is not necessary that thin-walled workpiece is punched and can be measured, avoid punching thin-walled workpiece on bring measurement error, folder
It is big to have gripping width, increases the range of measurement, reduces the requirement of measurement, delayed using backing plate in thin-walled workpiece two sides
Punching, so that thin-walled workpiece uniform force, increases the accuracy of measurement.
[Detailed description of the invention]
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the diagrammatic cross-section of the utility model.
Wherein: 1. handles；2. pressing plate；3. thin-walled workpiece；4. groove；5. puller bolt；6.U type clamping plate；7. screw；8.
Backing plate；9. fastening bolt.
[specific embodiment]
The utility model is described in detail with reference to the accompanying drawings and detailed description.
The utility model discloses a kind of thin-walled workpiece drawing clamping devices for exempting from punching, as shown in Figure 1, including symmetrical
Two pressing plates 2 being arranged, pressing plate 2 are arranged fluted 4 for clamping and fixing thin-walled workpiece 3, one end of pressing plate 2, pressing plate 2
The other end is connected with handle 1 by U-shaped folder plate 6, and two handles 1 are used to whole device being fixed on testing machine, thin-wall construction
The width of part 3 is 5-250mm, and the fixture gripping width of the prior art is generally 30mm, and the clamping of the fixture of the utility model is wide
Degree is big, increases the range of measurement, reduces the requirement of measurement.
It is additionally provided with U-shaped folder plate 6 between handle 1 and pressing plate 2, is fixedly connected between U-shaped folder plate 6 and handle 1, pressing plate 2
The other end is located in the U-type groove of U-shaped folder plate 6, and screw 7 is provided through at left and right sides of U-shaped folder plate 6, and screw 7 runs through U-shaped folder plate 6
It is connect with after pressing plate 2 with nut thread, U-shaped folder plate 6 guarantees the stability of entire pressing plate 2, together for holding entire pressing plate 2
When the effect of secondary fixation is also played to the thin-walled workpiece 3 in pressing plate 2.
Using the rock-steady structure of triangle, the shape of pressing plate 2 is triangle, preferably obtuse triangle, U-shaped folder plate 6
Positioned at the obtuse angle position of obtuse triangle pressing plate 2, the stability of entire pressing plate 2 is kept, as shown in Fig. 2, one end of pressing plate 2 is arranged
Fluted 4, the length of groove 4 is up to 250mm, and the groove 4 of pressing plate 2 is located at the bottom side of triangle, and the base side lengths of pressing plate 2 are most
Greatly 300mm, the length of groove 4 are less than the base side lengths of pressing plate 2, and the both ends of triangle bottom side are provided with fastening bolt 9, tightly
Fixing bolt 9 is used to tense the two sides of groove 4, and the thickness of the fastening thin-walled workpiece 3 in groove 4 has small difference, therefore
4 two sides of groove are easy to open, and are fastened 4 two sides of groove using fastening bolt 9, it is ensured that measurement is normally carried out.
The two sides of groove 4 are provided with backing plate 8, and thin-walled workpiece 3 is located between two backing plates 8, and backing plate 8 is thin for fastening
Wall construction element 3 is also used to increase the forced area of thin-walled workpiece 3, is buffered using backing plate 8 in 3 two sides of thin-walled workpiece,
So that 3 uniform force of thin-walled workpiece, increases the accuracy of measurement.
End of the groove 4 for thin-walled workpiece 3 is protruded into, and groove 4 and thin-walled workpiece 3 are interference fitted, 4 periphery of groove
Through-hole is provided on pressing plate 2, through-hole passes through for puller bolt 5, and puller bolt 5 is for pushing up thin-walled workpiece 3 across pressing plate 2
Tightly, puller bolt 5 is uniformly arranged on pressing plate 2, and puller bolt 5 is arranged to two rows, puller bolt 5 a minimum of 2, utilizes pressing plate
2 and puller bolt 5 thin-walled workpiece 3 is fixed and is compressed, compared with prior art, the measurement of the prior art is required to pair
Thin-walled workpiece 3 carries out punching fixation, and once punched to thin-walled workpiece 3, the stress of thin-walled workpiece 3 just can not be equal
Weighing apparatus, and inevitable stress is big around hole, be easy to cause rupture, it is that final influence measures as a result, and the utility model utilizes top
Tight bolt 5 and pressing plate 2 are by thin-walled workpiece 3 as in the groove 4 of pressing plate 2, and groove 4 and thin-walled workpiece 3 are interference fitted, because
This is avoided punching bring measurement error to thin-walled workpiece 3 without punching thin-walled workpiece 3 and can measure.
The workflow of the utility model is as follows:
Firstly, two handles 1 and pressing plate 2 symmetrically and are placed in parallel, then the both ends of thin-walled workpiece 3 are stretched respectively
Enter in the groove 4 of pressing plate 2, guarantees that thin-walled workpiece 3 is located between two backing plates 8, then puller bolt 5 is fastened, protect
The fixation for demonstrate,proving thin-walled workpiece 3, then fastens fastening bolt 9, finally the free end of handle 1 is fixed on testing machine
It measures.
Claims (10)
1. a kind of thin-walled workpiece drawing clamping device for exempting from punching, which is characterized in that including symmetrically arranged two pressing plates
(2), the shape of the pressing plate (2) is triangle, and two pressing plates (2) are described for clamping and fixing thin-walled workpiece (3)
Fluted (4) are arranged in one end of pressing plate (2), and end of the groove (4) for the thin-walled workpiece (3) is protruded into, described recessed
Slot (4) and the thin-walled workpiece (3) are interference fitted, and are provided with through-hole on the pressing plate (2) of groove (4) periphery, institute
It states through-hole and passes through for puller bolt (5), the puller bolt (5) is used for the thin-walled workpiece across the pressing plate (2)
(3) it holds out against, the other end of the pressing plate (2) is located in the U-type groove of U-shaped folder plate (6), and the U-shaped folder plate (6) is fixedly connected on hand
On handle (1), two handles (1) are used to whole device being fixed on testing machine.
2. a kind of thin-walled workpiece drawing clamping device for exempting from punching according to claim 1, which is characterized in that the U
It is provided through screw (7) at left and right sides of type clamping plate (6), the screw (7) runs through the U-shaped folder plate (6) and the pressing plate (2)
It is connect afterwards with nut thread.
3. a kind of thin-walled workpiece drawing clamping device for exempting from punching according to claim 1, which is characterized in that described recessed
The two sides of slot (4) are provided with backing plate (8), and the backing plate (8) is also used to increase institute for fastening the thin-walled workpiece (3)
State the forced area of thin-walled workpiece (3).
4. a kind of thin-walled workpiece drawing clamping device for exempting from punching according to claim 1 to 3, which is characterized in that
The groove (4) is located at the bottom side of the triangle.
5. a kind of thin-walled workpiece drawing clamping device for exempting from punching according to claim 4, which is characterized in that described three
The both ends of angular bottom side are provided with fastening bolt (9), and the fastening bolt (9) is used to tense the two sides of the groove (4).
6. a kind of thin-walled workpiece drawing clamping device for exempting from punching according to claim 4, which is characterized in that the top
Tight a minimum of 2 of bolt (5).
7. a kind of thin-walled workpiece drawing clamping device for exempting from punching according to claim 6, which is characterized in that the top
Tight bolt (5) is uniformly arranged on the pressing plate (2).
8. a kind of thin-walled workpiece drawing clamping device for exempting from punching according to claim 7, which is characterized in that described thin
The width of wall construction element (3) is 5-250mm.
9. a kind of thin-walled workpiece drawing clamping device for exempting from punching according to claim 4, which is characterized in that the pressure
The base side lengths of plate (2) are up to 300mm, and the length of the groove (4) is up to 250mm, and the length of the groove (4) is less than
The base side lengths of the pressing plate (2).
10. a kind of thin-walled workpiece drawing clamping device for exempting from punching according to claim 7, which is characterized in that described
Puller bolt (5) is arranged to two rows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821491016.7U CN208880552U (en) | 2018-09-12 | 2018-09-12 | A kind of thin-walled workpiece drawing clamping device for exempting from punching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821491016.7U CN208880552U (en) | 2018-09-12 | 2018-09-12 | A kind of thin-walled workpiece drawing clamping device for exempting from punching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208880552U true CN208880552U (en) | 2019-05-21 |
Family
ID=66512118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821491016.7U Expired - Fee Related CN208880552U (en) | 2018-09-12 | 2018-09-12 | A kind of thin-walled workpiece drawing clamping device for exempting from punching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208880552U (en) |
-
2018
- 2018-09-12 CN CN201821491016.7U patent/CN208880552U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190521 |